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Ocean Glas (Seaweed/Kelps)

Ocean Glas (Seaweed/Kelps)

Ocean Glas liquid is a sustainable and environmentally Friendly product which is derived from 100% hand harvested Ascophyllum Nodosum. The brown macro algae Ascophyllum nodosum blooms in the unpolluted atlantic waters of Ireland's west coast.

Fresh Ascophyllum Nodosum contains carbohydrates, essential amino acids, vitamins, and micro/macro nutrients to support plant health. Our unique, innovative cold process extraction method was meticulously designed in order to obtain the freshest and purest extract possible from hand harvested Ascophyllum Nodosum.

These claims are corroborated by extensive research and development, which indicates that applying pressure at a cooler temperature retains the product as close to its natural properties as possible and ensures that it is 100% soluble. As a result, we've become a market leader in the seaweed/kelp fertiliser market. Our product is currently available in over 20 countries across the world and has been proven to enhance plant health and colour.

The benefits of seaweed as a nutritional additive have been extensively tested and are well established. Ocean Knowledge has developed a unique method of bursting the seaweed/kelp cells without using chemicals or high heat, but a pressure system to keep the extract as close to its natural properties as possible as well as 100% soluble. This system was carefully designed in-house to obtain the freshest and purest extract derived from hand
harvested Ascophyllum nodosum. This technique enables Ocean Knowledge to retain as much as possible the bioactive molecules naturally present within Ascophyllum nodosum, we call it Gentle Extraction.


Key Benefits

Ocean Glas has excellent bio stimulating effects on general plant health through a broad range of active ingredients. Its special composition enhances:

  • Plant establishment
  • Root growth & formation of adventitious roots
  • Uptake of essential nutrients
  • Vigour & shoot growth
  • Ocean Glas improves plant adaptation and overcomes salinity stress and other environmental stress conditions. The main actions triggered in turf are:
  • Environmental stress alleviation (drought, freezing…) through osmoprotectors
  • Detoxification of oxidative stress via antioxidants (polyphenols, vitamins & pigments)
  • Ocean Glas pH range: 4.2 - 4.6


About Ocean Knowledge

Established in 2018, we are a Donegal based company who specialize in the distribution of a high quality seaweed/kelp fertilizer to the sportsturf and agricultural markets.


In the near future, we aim to continue our growth in becoming the main supplier of seaweed/kelp fertilizer to the sports turf and agriculture markets. We expect to more than double our full-time workforce and distribute to 35 countries worldwide over the next five years. In doing so, we aim to be entirely carbon neutral by the year 2025.

We have already made significant progress toward this objective, thanks to our ethical harvesting techniques, sustainable packaging, and our employees & shared ideals of decreasing carbon emissions in their everyday operations.


Producing and distributing high quality organic bio-stimulants and speciality fertilizers for the global amenity and sports turf market.



Centaur Asia Pacific is the distributor for Ocean Knowledge range of products in Hong Kong, Macau, Singapore, Malaysia, Vietnam, Thailand, Taiwan, and Philippines.

Updated on: 23 June 2022

Technical Specifications

➔ Potassium (K): 2.4% w/w
➔ Nitrogen (N): 1% w/w
➔ Phosphorus (P): 0.15% w/w
➔ Sulphur (S): 1.6% w/w
➔ Magnesium (Mg): 0.65% w/w
➔ Calcium (Ca): 0.42% w/w



Soluble liquid (SL)


Application Rates

20l – 30l per Ha
4oz – 8oz per 1,000 sq feet


High quality cold process Liquid Seaweed / Kelp Extracts